Asus ROG Strix Scar 18 G835 RTX 5090 (2025) vs MSI Raider A18 HX RTX 4080 (2024)
What ROG Strix Scar 18 G835 RTX 5090 (2025) does better (19) and where Raider A18 HX RTX 4080 (2024) wins (7) — every spec side by side.
vs
8.9Graphics6.6
9.0Overall performance6.6
9.8Display5.8
4.5Memory & storage8.5
2.7Battery & portability5.2
7.7Features & cooling3.8
Dimensions
Size comparison
ROG Strix Scar 18 G835 RTX 5090 (2025)Raider A18 HX RTX 4080 (2024)
| ROG Strix Scar 18 G835 RTX 5090 (2025) | Raider A18 HX RTX 4080 (2024) | Difference | |
|---|---|---|---|
| Depth | 298 mm | 307.5 mm | −9.5 mm |
| Width | 399 mm | 404 mm | −5 mm |
| Thickness | 32 mm | 32 mm | = |
| Weight | 3.3 kg | 3.6 kg | −0.3 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Strix Scar 18 G835 RTX 5090 (2025) better than Raider A18 HX RTX 4080 (2024)?
- Brightness1,200 nits vs 500 nits2.4×
- Video memory24 GB vs 12 GB2×
- Resolution class4K (2160p/2400p) vs QHD (1440p/1600p)
- Panel typeMini-LED vs IPS
- Thunderbolt or USB4Yes · Raider A18 HX RTX 4080 (2024): No
- GPU compute (FP32)51.4 TFLOPS vs 37.6 TFLOPS+37%
- 3DMark Steel Nomad Light30,125 vs 22,913+31%
- Refresh rate300 Hz vs 240 Hz+25%
- CPU cores24 vs 16+50%
- Weight3.3 kg vs 3.6 kg+9%
- GPU shader cores10,496 vs 7,424+41%
- G-Sync / FreeSyncYes · Raider A18 HX RTX 4080 (2024): No
Why is Raider A18 HX RTX 4080 (2024) better than ROG Strix Scar 18 G835 RTX 5090 (2025)?
- RAM (up to)64 GB vs 96 GB+50%
- SSD (up to)4,000 GB vs 8,192 GB2×
- Battery capacity90 Wh vs 100 Wh+11%
- SD card readerNo · ROG Strix Scar 18 G835 RTX 5090 (2025): Yes
- Max. supported RAM64 GB vs 96 GB+50%
- USB-C charging power100 W vs 140 W+40%
- SSD (base)1,000 GB vs 1,024 GB+2%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5090 Laptop | GeForce RTX 4080 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 175 W | 175 W |
| Video memory | 24 GB | 12 GB |
| Video memory type | GDDR7 | GDDR6 |
| GPU shader cores | 10,496 | 7,424 |
| GPU compute (FP32) | 51.4 TFLOPS | 37.6 TFLOPS |
| 3DMark Steel Nomad Light | 30,125 | 22,913 |
| Processor | ||
| Processor | Core Ultra 9 290HX Plus | Ryzen 9 7945HX |
| CPU maker | Intel | AMD |
| CPU cores | 24 | 16 |
| CPU threads | — | 32 |
| Max CPU clock | 5.5 GHz | 5.4 GHz |
| Processor options | Core Ultra 9 275HX, Core Ultra 9 290HX Plus | Ryzen 9 7945HX3D, Ryzen 9 7945HX |
| Geekbench 6 multi-core | — | 19,648 |
| Geekbench 6 single-core | — | 3,162 |
| Cinebench 2024 multi-core | — | 1,995 |
| Display | ||
| Screen size | 18″ | 18″ |
| Resolution | 3840 × 2400 | 2560 × 1600 |
| Resolution class | 4K (2160p/2400p) | QHD (1440p/1600p) |
| Refresh rate | 300 Hz | 240 Hz |
| Panel type | Mini-LED | IPS |
| Brightness | 1,200 nits | 500 nits |
| sRGB coverage | 100% | — |
| Response time | 3 ms | 3 ms |
| DCI-P3 coverage | 100% | 100% |
| Pixel density | 168 ppi | 168 ppi |
| Aspect ratio | 16:10 | 16:10 |
| G-Sync / FreeSync | Yes | No |
| Advanced Optimus | No | No |
| MUX switch | Yes | Yes |
| HDR | Yes | No |
| Touchscreen | No | No |
| Memory & storage | ||
| RAM (up to) | 64 GB | 96 GB |
| RAM (base) | 32 GB | 32 GB |
| RAM type | DDR5 | DDR5 |
| RAM speed | 5,600 MHz | 5,200 MHz |
| Max. supported RAM | 64 GB | 96 GB |
| RAM slots | 2 | 2 |
| Upgradable RAM | Yes | Yes |
| SSD (up to) | 4,000 GB | 8,192 GB |
| SSD (base) | 1,000 GB | 1,024 GB |
| M.2 SSD slots | 2 | 2 |
| SSD interface | PCIe 4.0 x4 | PCIe 5.0 x4 |
| Battery & power | ||
| Battery capacity | 90 Wh | 100 Wh |
| Power adapter | 380 W | 330 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| USB-C charging power | 100 W | 140 W |
| Design & cooling | ||
| Weight | 3.3 kg | 3.6 kg |
| Thickness | 32 mm | 32 mm |
| Width | 399 mm | 404 mm |
| Depth | 298 mm | 307.5 mm |
| Body material | Aluminium, Plastic | Aluminium, Plastic |
| Colours | Black | Black |
| Cooling fans | 3 | 2 |
| Vapor chamber cooling | Yes | No |
| Liquid metal (CPU) | Yes | No |
| Fan noise (max. load) | 53.7 dB | — |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 5 | — |
| Thunderbolt or USB4 | Yes | No |
| USB-C ports | 2 | 1 |
| USB-A ports | 3 | 3 |
| HDMI | HDMI 2.1 | HDMI 2.1 |
| HDMI 2.1 | Yes | Yes |
| (Mini) DisplayPort | No | No |
| Ethernet | 5 Gbit/s | — |
| Ethernet port | Yes | Yes |
| SD card reader | No | Yes |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 5.4 | 5.4 |
| Keyboard & camera | ||
| Backlit keyboard | Yes | Yes |
| Numeric keypad | Yes | Yes |
| Webcam | 1,080p | 1,080p |
| IR camera (face login) | Yes | Yes |
| Fingerprint reader | No | No |
| Audio | ||
| Speakers | 4 speakers | 4.2 |
| Dolby Atmos | Yes | No |
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